diff --git a/docusaurus.config.ts b/docusaurus.config.ts
index 305b7a3..644aa50 100644
--- a/docusaurus.config.ts
+++ b/docusaurus.config.ts
@@ -169,6 +169,11 @@ const config: Config = {
       theme: prismThemes.github,
       darkTheme: prismThemes.dracula,
     },
+    colorMode: {
+      defaultMode: 'dark',
+      disableSwitch: false,
+      respectPrefersColorScheme: true,
+    },
   } satisfies Preset.ThemeConfig,
 };